Apple Releases iOS 9.2.1 with MDM Fixes and 9 Security Patches

By Bryan Chaffin

Jan 19th, 2016 6:55 PM EST

Apple released iOS 9.2.1 Tuesday, an update that fixes an issue with mobile device management (MDM) servers. The update also includes security fixes for 9 different security holes, most of which allow the bad guys to take over your iOS device.

Screenshot from iOS 9.2.1 Update

You can download the update on your iOS device through Settings -> General -> Software Update, where it's a 40.8MB download for iPhone 6s or a 35.2MB download for iPad Air. It's a 2.01GB download through iTunes for iPhone 6s.

Please post your update experience in the comments below.

As noted in the image above, Apple's patch notes for the update are sparse:

This update contains security updates and bug fixes including a fix for an issue that could prevent the completion of app installation when using an MDM server.

The Security Update document for the update goes into detail on 9 different security holes patched.

iOS 9.2.1

Disk Images

Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

Impact: A local user may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue existed in the parsing of disk images. This issue was addressed through improved memory handling.

CVE-ID

CVE-2016-1717 : Frank Graziano of Yahoo! Pentest Team

IOHIDFamily

Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

Impact: A local user may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue existed in an IOHIDFamily API. This issue was addressed through improved memory handling.

CVE-ID

CVE-2016-1719 : Ian Beer of Google Project Zero

IOKit

Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

Impact: A local user may be able to execute arbitrary code with kernel privileges